Method of and apparatus for dispersing fluids in liquids



W. H. JACKSON 2 Sheets-Sheet 1 March 4, 1958 METHOD OF AND APPARATUS FOR I'JISPERSING FLUIDS IN LIQUIDS Original Filed July 2, 1949 March 4, 1958 v w. H. JAcKsbN 2,325,542

METHOD OF AND APPARATUS FOR DISPERSING FLUIDS IN LIQUIDS Original Filed July 2, 1949 I 2 Sheets-Sheet 2 7 immaterial insofar as V the dispersion e ffect obtained Y 7 whether the air is substantially stationary and the train is moving at-a high rate of speed or vice versa. It is c n i bmi d tha t e r on e fec wh q t c u d 9 e e m shsd were tu u ar; arm's ub ifi1t 1.. my propeller blades that are Stream-lined and; of substani P s as eventhoush u -ba tedpowerjwer jav l for rotating'sjuch arms the motivatingjorceto cause r b nsl f eim nb d o u d mo re ve v Lathigh speed across the projection of the axes of such arms would be absent. As a consequencqthe main "bod y ofliquid would be caused to rapidly flow awayfrom with acids and 'allralies, thequicl; dispersion of 'cla'rifying I vagent s in city water supplies, the dispersion of carbon dioxide in water; for beverage purposes, the dispersion of acid'anhydrides in water for the production ofcommericial grades of acids; and especially to; the dispersion of liquids in liquids inf'the manufacture offerriulsions as the outer phas eflof the emulsion being produced is not un- Tnecessarily broken up'and consequently there isjno likelihood of a reversal of the phasesas might otherwise be ,the case were theouter phase so disrupted.

i My improvediappai'atus is also adaptedito functioh a a condenseriby' virtue oi the fact that duping the high sPe'd bn of b r le im ll s. 31? g y' pt r cooledv. condensate of the vapors to ,be eondensed; there f will be arapid coolingjof the vapors enteringfthe ducts Vl i h se ss s tscadsnsatio h s cctsu ltqihe xcellent heat exchange between the stream-lined p opeller blades, iffthe jsa rne are formed of metal, andtthe pre-. cooled liquid in which the same rotate. Such an appli-' cation or the invention is not specifically claimed: herein,

" hes sl i l be'subsequentlyfiled 7 r, For effective dispersion' of fluids in aqueous l qui I preferably rotate the propellerat a speed representing afperiplieral velocityotf thebladesthereof 'at the orifices of the ducts 'o f 1,5,00-ft.' per minute as a and .1-

v desirably in assess of 3,000-ft .per minute, with a propelleripitch'of"sufiicient amountto impart, as heretofore ffstated, movement of the "liquid within wago of direct longitudinal of the propiejller sha'ftfso as to continuallyrp'resntfresh portions of the liquid to the dispersing dependent upon the ,sur'facetension of the fluidiat the interface between 'the sani'e' aaanre and upon the v'iscosityof the liquidjj I 'Various changes and modifications time above '62:-

" 'finfluence of the propeller blades during therapigrotation thereof in a directionthafis essentially parallel with the I scribed apparatus and 'methodr n'iay be niad without,

" departing from the spirit of r the Q'rinven'tion as embraced V "within the seopeofihe appended claims; J V a v Having thus described the invention, what is claimed 7 as new' and'desiredto be secured .by- Letters'Pate'ntis:

{mounted therein, a1 high-speed screw propeller mounted e- 1116 h a t l l b r 'h l' l g wane "IlfflInan'apparatus'fordispersing'fluid in'a IiqiiidQithe i 5950452 #5 com 111311011 with a tank of a, propeller shaft rotatably. I V2Q42006 85 i 12,121,458 Yogelhusch aesassa f K 7 therein and radial, streamlined blades projectingfrom said hub, said blades having longitudinal. internalducts extending completely therethrough to the tips thereof and, communicating with said hub chamber'and the tipsf of 5 said blades lying distant from the lateral sids'of the tank and in proximity to'its vertical axis;,means includ a nd c n cted t com lmi ew h .thech m' her in said hub for'supplyingfluid: thereto, ,so thatcontinuous jets of the 'fluid will be emitted through said I loflconduit; and meansj mounted externallyofitthe tank for driving said shaft,{the blades of the vpropeller being 9f a pitch to impa'rtmovementof theliquid within thezone V i j "of immediate influence-of the propeller blades during 7 rapid rotation thereof, in a direction essenially'inparallelisrn with the longitudinalaxis of .said shaft so as -to of the liquid to the continually present fre'sh' portions dispersing action of the jets. 7

, 2. In an apparatus tondispersing fluidginja liquidithe combination comprisingaatank, a propeller shaft ro tat" 'ably mounted therein, a prop'elle; mounted on said shaft,

"a hub member nounted on said shaft, said propeller having radially streain linedbladejs projecting from saidj hub, said bladesf having longitudinal internal ductsextending completely therethrough to the tips thereof, .;an aperturein said hub eornmunieatingpwith said ductsy means including a conduit connected to communicate --w t r e er en a d ub. o pp y ngifl i t ere and means" mounted externally of the tank forjrapidlv 1 driving said'shaft the blades of the propeller.;being of 3 apit'eh to impart movement ofthe liquid within the, zone 7 T of immediate influence 'of the propeller blades during j rapid rotation thereof in a direction essentially in parallel 5 I with the }longitudinal axis5o said 'rshaftzito ;contiually present fresh portions of the liquid to'the dispersingaction 7' 35205 their/tsp r a apparatuseifor d pe i fl d-in; a i u d; in H accordance with, claim 2 whereinisaidtducts'eigtend radi V reserved for a co-pending application to" tally through said blades whereby thezrotation ofrsaid blades will cause a stream of fluid issuing'from said duct to be sheared ofiin small increments at the instantrof emergence from said duct, vdispersed insaid liquiiand moved along therewith. l; .r I ,l 4.- In an apparaltus fordispersingfluid Vina liquid-the 5 combination comprising .a tank, a propeller shaft rotatably mounted therein, a' propeller mounted on said shaft, said propeller, havingradially streamlined bl es project-r f ing fro'in' 'said's'haft' andlhaving longitudinal internal ducts blades of the propeller beingloffa pitch to jimpartmove- "m i f t e quid hinthei one o i med ate influen es 10f the propeller blades. during rapid rotation thereof in a direction'parallel, to the longitudinal axisjofsaidjshaft Qtocontinually present-ireshportions of the liquid to the r dispersing action of the ducts at lthei tips ofsaid hladei v,

sat sfies Citeiiin th sl fthi ne r .1? UNITED srn'rns'irnrnnrs 1' 1,383,881 1 Thomas t..

Feb;n22,i 19110 i L. 'July 5; 1921' Maye26', 1936 7 June 21,1938, 7 

